At a Glance
- Tasks: Lead the design and development of scalable backend services and optimize high-performance APIs.
- Company: Fast-growing tech consultancy with a focus on digital transformation and client success.
- Benefits: Competitive salary, diverse culture, referral bonuses, and a supportive work environment.
- Other info: Diverse, woman-owned company with excellent career growth and low attrition rate.
- Why this job: Join a dynamic team shaping the future of business technology in a high-impact role.
- Qualifications: Strong Java and React experience, plus hands-on LLM/AI skills.
The predicted salary is between 80000 - 100000 € per year.
Hello from RE Partners!
Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful track record of being a preferred vendor for Fortune 500 companies and as a trusted partner for some of the industry's leading companies, our global talent has helped many clients achieve their goals.
The 3 G's of RE:
- Get Shit Done.
- Get Over Shit.
- Give a Shit.
We're hiring a Principal Full-Stack Engineer to join one of the largest banking institutions in the U.S. - a highly complex, high-impact environment where engineering decisions truly matter. This role is ideal for someone who combines deep backend expertise in Java with strong frontend capabilities in React, and hands-on experience working with LLMs (Claude preferred).
What you'll be doing:
- Lead the design and development of scalable backend services in Java (Spring Boot)
- Build and optimize secure, high-performance APIs
- Contribute to and guide React-based frontend architecture
- Work hands-on with LLM/AI technologies (Claude or similar), integrating them into real-world applications
- Drive best practices across code quality, architecture, and performance
- Mentor engineers and support UI developers in delivering high-quality solutions
- Partner with stakeholders to translate business needs into technical execution
- Contribute to system design discussions, code reviews, and continuous improvement
What we're looking for:
- Strong experience in Java backend development and server-side architecture
- Solid React experience on the frontend
- Hands-on experience with LLMs / AI tools and practical implementation
- Experience designing and building scalable, distributed systems
- Strong understanding of APIs, databases, and performance optimization
- Proven ability to lead technically and mentor others
Nice to have:
- Experience with GraphDB, Scala, or complex data processing systems
- Exposure to cloud platforms (AWS, Azure, or GCP)
- Familiarity with CI/CD pipelines and DevOps practices
Join Our Global Team: We invite you to apply for the position at RE Partners. Join us in shaping the future of business technology consulting and transforming the way organizations thrive in a digital world. As a diverse, woman-owned global business, we pride ourselves on keeping talent happy – our 7% attrition rate speaks volumes. Bring your talented friends along and earn a referral bonus.
Equal Opportunity Employer: We are an equal opportunity employer and welcome applications from all qualified individuals regardless of race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, or veteran status.
Principal Full-Stack Engineer employer: LinkedIn
At RE Partners, we pride ourselves on being a dynamic and inclusive employer that values innovation and collaboration. Our commitment to employee growth is reflected in our low attrition rate of just 7%, showcasing our supportive work culture and dedication to professional development. Join us in a fast-paced environment where your engineering expertise will directly impact major banking institutions, all while enjoying the benefits of a diverse, woman-owned global business.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Full-Stack Engineer
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with online communities. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving Java, React, and LLMs. This will give potential employers a taste of what you can do and set you apart from the crowd.
✨Tip Number 3
Prepare for interviews by brushing up on technical questions and coding challenges. Practice explaining your thought process clearly, as communication is key in a Principal Full-Stack Engineer role.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who are proactive about their job search.
We think you need these skills to ace Principal Full-Stack Engineer
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Principal Full-Stack Engineer role. Highlight your Java and React experience, as well as any work with LLMs. We want to see how your skills match what we're looking for!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about this role and how you can contribute to our team. We love seeing genuine enthusiasm and a bit of personality.
Showcase Your Projects:If you've worked on relevant projects, make sure to mention them! Whether it's a personal project or something from your previous job, we want to see how you've applied your skills in real-world scenarios.
Apply Through Our Website:Don't forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy – just a few clicks and you’re done!
How to prepare for a job interview at LinkedIn
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in Java, React, and LLMs. Brush up on your knowledge of Spring Boot and how to build secure APIs. Being able to discuss your past projects and how you’ve used these technologies will show that you’re not just familiar with them, but that you can apply them effectively.
✨Showcase Your Leadership Skills
Since this role involves mentoring and leading teams, be prepared to share examples of how you've guided others in previous positions. Talk about specific instances where you drove best practices or improved team performance. This will demonstrate your ability to lead technically and support your peers.
✨Prepare for System Design Questions
Expect to dive deep into system design discussions during the interview. Be ready to explain your thought process when designing scalable systems and optimising performance. Practise articulating your ideas clearly, as this will help you convey your technical expertise effectively.
✨Understand the Business Context
Familiarise yourself with the banking industry and the specific challenges it faces. Being able to translate business needs into technical solutions will set you apart. Research RE Partners and their clients to understand how your role as a Principal Full-Stack Engineer can contribute to their success.
